May weather forecast
Biggs Junction, OR

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Weather in May

The last month of the spring, May, is an enjoyable month in Biggs Junction, Oregon, with an average temperature fluctuating between 45°F (7.2°C) and 67.3°F (19.6°C).

Temperature

Biggs Junction sees an increase in the average high-temperature with the arrival of May, moving from April's moderate 57.4°F (14.1°C) to an enjoyable 67.3°F (19.6°C). A marked difference from the daytime temperatures, Biggs Junction's nighttime temperature falls to an average low of 45°F (7.2°C) in May.

Humidity

In Biggs Junction, the average relative humidity in May is 59%.

Rainfall

In Biggs Junction, in May, it is raining for 8.1 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 112.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Biggs Junction, the average length of the day in May is 14h and 57min.
On the first day of May, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:45 pm PDT.

Sunshine

The average sunshine in May is 11.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Biggs Junction in May?

In Biggs Junction, in May, the average high-temperature is 67.3°F (19.6°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in May?

In May, the average relative humidity is 59%.

How many days does it rain in May?

In May, the rain falls for 8.1 days. Throughout May, 0.79" (20mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Biggs Junction have in May?

In May, the average day length is 14h and 57min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of the month, in Biggs Junction, sunrise is at 5:17 am and sunset at 8:45 pm PDT.

How long on average sun shines in May?

The average sunshine duration in May is 11.1h.

What is the UV index reading in May?

In Biggs Junction, Oregon, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Biggs Junction, OR

Average temperature in May - Biggs Junction, OR
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in May: 45°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average pressure in May
Biggs Junction, OR

Average pressure in May - Biggs Junction, OR
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

Average wind speed in May
Biggs Junction, OR

Average wind speed in May - Biggs Junction, OR
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).

Average humidity in May
Biggs Junction, OR

Average humidity in May - Biggs Junction, OR
  • Average humidity in May: 59%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).

Average rainfall in May
Biggs Junction, OR

Average rainfall in May - Biggs Junction, OR
  • Average rainfall in May: 0.79"

The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").

Average rainfall days in May
Biggs Junction, OR

Average rainfall days in May - Biggs Junction, OR
  • Average rainfall days in May: 8.1 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).

Average snowfall in May
Biggs Junction, OR

Average snowfall in May - Biggs Junction, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Biggs Junction, OR

Average snowfall days in May - Biggs Junction, OR
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Biggs Junction, OR

Average daylight in May / Average sunshine in May - Biggs Junction, OR
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in May
Biggs Junction, OR

Average sunshine days in May - Biggs Junction, OR
  • Average sunshine days in May: 20.4 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in May
Biggs Junction, OR

Average UV index in May - Biggs Junction, OR
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Biggs Junction, OR

Average cloud cover in May - Biggs Junction, OR
  • Average cloud cover in May: 25

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in May
Biggs Junction, OR

Average visibility in May - Biggs Junction, OR
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Biggs Junction, Oregon, USA

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